In addition to helping create the Fallout franchise, Cain also co-founded the now-shuttered Troika Games, known for its PC role-playing titles like Vampire: The Masquerade: Bloodlines and Arcanum: Of Steamworks and Magick Obscura.

In 2005, Cain joined MMO developer Carbine Studios, and in 2008 he became the design director for the studio's recently-announced WildStar.

According to Cain's LinkedIn and Facebook profile, he will now serve as senior programmer at Obsidian.

Obsidian, founded in 2003, has worked on titles including Fallout: New Vegas, Alpha Protocol, and Star Wars: Knights of the Old Republic II. Currently, the studio's only announced project is a video game adaptation of Robert Jordan's Wheel of Time books, co-developed by Red Eagle Games.